I would like my participants to be able to share photos of events within a course. Ideally, I would like the images to be hosted elsewhere, like Flickr, but with a Moodle-based plugin that would allow them to see the gallery while logged in.

Would a wiki be an easy way for users to share photos of an event? Does anyone know of any plugins that would display images hosted elsewhere?

I apologize if this is the wrong place to post this inquiry. Thanks in advance, any suggestions are appreciated.